INFLUENCE OF TEMPERATURE ON BACTERIA. 35 



In general then, from what has been learned, it may 

 be said that for the growth and development of bacteria 

 organic matter of a neutral or slightly alkaline reac- 

 tion, in the presence of moisture and at a suitable tem- 

 perature, is necessary. From this can be formed some 

 idea of the omnipresence in Nature of these minute 

 vegetable forms. Everywhere that these conditions 

 obtain bacteria can be found. 



